Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cay dan noi snippets" » "cac dan noi snippets", "ca dan noi snippets", "cay lanh noi snippets", "cay dang noi snippets", "cay dan nuoi snippets", "cay van noi snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cay dan noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cay dan noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cay dan noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cay dan noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.